Last updated: June 24, 2025
In Watts Mills, United States, the average temperature in December hovers around 9°C (49°F). Expect a minimum as low as -7°C (20°F) and a maximum that can reach up to 26°C (80°F). During this month, you'll encounter precipitation of about 117 mm (4.6 in) spread over 10 days. With an average humidity of 87%, it's a time when the air feels particularly damp.
In December in Watts Mills, the average temperature is 9°C (49°F). Maximum temperatures can reach 26°C (80°F), while minimums can drop as low as -7°C (20°F). Be prepared for a wide range of weather conditions when traveling to Watts Mills during this time.
In Watts Mills in December, the total precipitation amount is 117 mm (4.6 in) recorded over a span of 10 days.
In Watts Mills in December humidity is 87%. With an average temperature of 9°C (49°F), this humidity feels like a damp blanket wrapping around you, making travel uncomfortable and leaving you yearning for a dry breeze to refresh your spirit.
In Watts Mills in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Watts Mills for better planning.
UV Risk Categories
Weather in Watts Mills varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Watts Mills, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 8°C (46°F) | 94 mm (3.7 inches) | 86% | moderate |
| February Weather | 11°C (51°F) | 122 mm (4.8 inches) | 85% | high |
| March Weather | 13°C (56°F) | 94 mm (3.7 inches) | 84% | very high |
| April Weather | 17°C (63°F) | 109 mm (4.3 inches) | 82% | very high |
| May Weather | 22°C (72°F) | 122 mm (4.8 inches) | 83% | extreme |
| June Weather | 25°C (78°F) | 88 mm (3.5 inches) | 82% | extreme |
| July Weather | 27°C (81°F) | 109 mm (4.3 inches) | 80% | extreme |
| August Weather | 26°C (79°F) | 124 mm (4.9 inches) | 74% | very high |
| September Weather | 24°C (76°F) | 105 mm (4.1 inches) | 75% | very high |
| October Weather | 19°C (67°F) | 105 mm (4.1 inches) | 79% | very high |
| November Weather | 11°C (53°F) | 92 mm (3.6 inches) | 87% | high |
| December Weather | 9°C (49°F) | 117 mm (4.6 inches) | 87% | moderate |